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Contingencies Contingencies (Tables)
12 Months Ended
Dec. 31, 2016
Commitments and Contingencies Disclosure [Abstract]  
Roll forward of product warranty accruals In addition to the contingencies above, the Company provides limited warranties on certain of its products. The following is a rollforward of the warranty liability for 2016 and 2015: 
 
2016
2015
Beginning balance, January 1
$
5.4

$
3.7

Expense
2.4

6.1

Payments
(0.9
)
(4.4
)
Ending balance, December 31
$
6.9

$
5.4